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-rw-r--r--sound/soc/codecs/cs35l36.c1957
1 files changed, 1957 insertions, 0 deletions
diff --git a/sound/soc/codecs/cs35l36.c b/sound/soc/codecs/cs35l36.c
new file mode 100644
index 000000000000..e9b5f76f27a8
--- /dev/null
+++ b/sound/soc/codecs/cs35l36.c
@@ -0,0 +1,1957 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// cs35l36.c -- CS35L36 ALSA SoC audio driver
+//
+// Copyright 2018 Cirrus Logic, Inc.
+//
+// Author: James Schulman <james.schulman@cirrus.com>
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/workqueue.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+#include <linux/gpio/consumer.h>
+#include <linux/of_device.h>
+#include <linux/of_gpio.h>
+#include <linux/regmap.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+#include <linux/gpio.h>
+#include <sound/initval.h>
+#include <sound/tlv.h>
+#include <sound/cs35l36.h>
+#include <linux/of_irq.h>
+#include <linux/completion.h>
+
+#include "cs35l36.h"
+
+/*
+ * Some fields take zero as a valid value so use a high bit flag that won't
+ * get written to the device to mark those.
+ */
+#define CS35L36_VALID_PDATA 0x80000000
+
+static const char * const cs35l36_supplies[] = {
+ "VA",
+ "VP",
+};
+
+struct cs35l36_private {
+ struct device *dev;
+ struct cs35l36_platform_data pdata;
+ struct regmap *regmap;
+ struct regulator_bulk_data supplies[2];
+ int num_supplies;
+ int clksrc;
+ int chip_version;
+ int rev_id;
+ int ldm_mode_sel;
+ struct gpio_desc *reset_gpio;
+};
+
+struct cs35l36_pll_config {
+ int freq;
+ int clk_cfg;
+ int fll_igain;
+};
+
+static const struct cs35l36_pll_config cs35l36_pll_sysclk[] = {
+ {32768, 0x00, 0x05},
+ {8000, 0x01, 0x03},
+ {11025, 0x02, 0x03},
+ {12000, 0x03, 0x03},
+ {16000, 0x04, 0x04},
+ {22050, 0x05, 0x04},
+ {24000, 0x06, 0x04},
+ {32000, 0x07, 0x05},
+ {44100, 0x08, 0x05},
+ {48000, 0x09, 0x05},
+ {88200, 0x0A, 0x06},
+ {96000, 0x0B, 0x06},
+ {128000, 0x0C, 0x07},
+ {176400, 0x0D, 0x07},
+ {192000, 0x0E, 0x07},
+ {256000, 0x0F, 0x08},
+ {352800, 0x10, 0x08},
+ {384000, 0x11, 0x08},
+ {512000, 0x12, 0x09},
+ {705600, 0x13, 0x09},
+ {750000, 0x14, 0x09},
+ {768000, 0x15, 0x09},
+ {1000000, 0x16, 0x0A},
+ {1024000, 0x17, 0x0A},
+ {1200000, 0x18, 0x0A},
+ {1411200, 0x19, 0x0A},
+ {1500000, 0x1A, 0x0A},
+ {1536000, 0x1B, 0x0A},
+ {2000000, 0x1C, 0x0A},
+ {2048000, 0x1D, 0x0A},
+ {2400000, 0x1E, 0x0A},
+ {2822400, 0x1F, 0x0A},
+ {3000000, 0x20, 0x0A},
+ {3072000, 0x21, 0x0A},
+ {3200000, 0x22, 0x0A},
+ {4000000, 0x23, 0x0A},
+ {4096000, 0x24, 0x0A},
+ {4800000, 0x25, 0x0A},
+ {5644800, 0x26, 0x0A},
+ {6000000, 0x27, 0x0A},
+ {6144000, 0x28, 0x0A},
+ {6250000, 0x29, 0x08},
+ {6400000, 0x2A, 0x0A},
+ {6500000, 0x2B, 0x08},
+ {6750000, 0x2C, 0x09},
+ {7526400, 0x2D, 0x0A},
+ {8000000, 0x2E, 0x0A},
+ {8192000, 0x2F, 0x0A},
+ {9600000, 0x30, 0x0A},
+ {11289600, 0x31, 0x0A},
+ {12000000, 0x32, 0x0A},
+ {12288000, 0x33, 0x0A},
+ {12500000, 0x34, 0x08},
+ {12800000, 0x35, 0x0A},
+ {13000000, 0x36, 0x0A},
+ {13500000, 0x37, 0x0A},
+ {19200000, 0x38, 0x0A},
+ {22579200, 0x39, 0x0A},
+ {24000000, 0x3A, 0x0A},
+ {24576000, 0x3B, 0x0A},
+ {25000000, 0x3C, 0x0A},
+ {25600000, 0x3D, 0x0A},
+ {26000000, 0x3E, 0x0A},
+ {27000000, 0x3F, 0x0A},
+};
+
+static struct reg_default cs35l36_reg[] = {
+ {CS35L36_TESTKEY_CTRL, 0x00000000},
+ {CS35L36_USERKEY_CTL, 0x00000000},
+ {CS35L36_OTP_CTRL1, 0x00002460},
+ {CS35L36_OTP_CTRL2, 0x00000000},
+ {CS35L36_OTP_CTRL3, 0x00000000},
+ {CS35L36_OTP_CTRL4, 0x00000000},
+ {CS35L36_OTP_CTRL5, 0x00000000},
+ {CS35L36_PAC_CTL1, 0x00000004},
+ {CS35L36_PAC_CTL2, 0x00000000},
+ {CS35L36_PAC_CTL3, 0x00000000},
+ {CS35L36_PWR_CTRL1, 0x00000000},
+ {CS35L36_PWR_CTRL2, 0x00003321},
+ {CS35L36_PWR_CTRL3, 0x01000010},
+ {CS35L36_CTRL_OVRRIDE, 0x00000002},
+ {CS35L36_AMP_OUT_MUTE, 0x00000000},
+ {CS35L36_OTP_TRIM_STATUS, 0x00000000},
+ {CS35L36_DISCH_FILT, 0x00000000},
+ {CS35L36_PROTECT_REL_ERR, 0x00000000},
+ {CS35L36_PAD_INTERFACE, 0x00000038},
+ {CS35L36_PLL_CLK_CTRL, 0x00000010},
+ {CS35L36_GLOBAL_CLK_CTRL, 0x00000003},
+ {CS35L36_ADC_CLK_CTRL, 0x00000000},
+ {CS35L36_SWIRE_CLK_CTRL, 0x00000000},
+ {CS35L36_SP_SCLK_CLK_CTRL, 0x00000000},
+ {CS35L36_MDSYNC_EN, 0x00000000},
+ {CS35L36_MDSYNC_TX_ID, 0x00000000},
+ {CS35L36_MDSYNC_PWR_CTRL, 0x00000000},
+ {CS35L36_MDSYNC_DATA_TX, 0x00000000},
+ {CS35L36_MDSYNC_TX_STATUS, 0x00000002},
+ {CS35L36_MDSYNC_RX_STATUS, 0x00000000},
+ {CS35L36_MDSYNC_ERR_STATUS, 0x00000000},
+ {CS35L36_BSTCVRT_VCTRL1, 0x00000000},
+ {CS35L36_BSTCVRT_VCTRL2, 0x00000001},
+ {CS35L36_BSTCVRT_PEAK_CUR, 0x0000004A},
+ {CS35L36_BSTCVRT_SFT_RAMP, 0x00000003},
+ {CS35L36_BSTCVRT_COEFF, 0x00002424},
+ {CS35L36_BSTCVRT_SLOPE_LBST, 0x00005800},
+ {CS35L36_BSTCVRT_SW_FREQ, 0x00010000},
+ {CS35L36_BSTCVRT_DCM_CTRL, 0x00002001},
+ {CS35L36_BSTCVRT_DCM_MODE_FORCE, 0x00000000},
+ {CS35L36_BSTCVRT_OVERVOLT_CTRL, 0x00000130},
+ {CS35L36_VPI_LIMIT_MODE, 0x00000000},
+ {CS35L36_VPI_LIMIT_MINMAX, 0x00003000},
+ {CS35L36_VPI_VP_THLD, 0x00101010},
+ {CS35L36_VPI_TRACK_CTRL, 0x00000000},
+ {CS35L36_VPI_TRIG_MODE_CTRL, 0x00000000},
+ {CS35L36_VPI_TRIG_STEPS, 0x00000000},
+ {CS35L36_VI_SPKMON_FILT, 0x00000003},
+ {CS35L36_VI_SPKMON_GAIN, 0x00000909},
+ {CS35L36_VI_SPKMON_IP_SEL, 0x00000000},
+ {CS35L36_DTEMP_WARN_THLD, 0x00000002},
+ {CS35L36_DTEMP_STATUS, 0x00000000},
+ {CS35L36_VPVBST_FS_SEL, 0x00000001},
+ {CS35L36_VPVBST_VP_CTRL, 0x000001C0},
+ {CS35L36_VPVBST_VBST_CTRL, 0x000001C0},
+ {CS35L36_ASP_TX_PIN_CTRL, 0x00000028},
+ {CS35L36_ASP_RATE_CTRL, 0x00090000},
+ {CS35L36_ASP_FORMAT, 0x00000002},
+ {CS35L36_ASP_FRAME_CTRL, 0x00180018},
+ {CS35L36_ASP_TX1_TX2_SLOT, 0x00010000},
+ {CS35L36_ASP_TX3_TX4_SLOT, 0x00030002},
+ {CS35L36_ASP_TX5_TX6_SLOT, 0x00050004},
+ {CS35L36_ASP_TX7_TX8_SLOT, 0x00070006},
+ {CS35L36_ASP_RX1_SLOT, 0x00000000},
+ {CS35L36_ASP_RX_TX_EN, 0x00000000},
+ {CS35L36_ASP_RX1_SEL, 0x00000008},
+ {CS35L36_ASP_TX1_SEL, 0x00000018},
+ {CS35L36_ASP_TX2_SEL, 0x00000019},
+ {CS35L36_ASP_TX3_SEL, 0x00000028},
+ {CS35L36_ASP_TX4_SEL, 0x00000029},
+ {CS35L36_ASP_TX5_SEL, 0x00000020},
+ {CS35L36_ASP_TX6_SEL, 0x00000000},
+ {CS35L36_SWIRE_P1_TX1_SEL, 0x00000018},
+ {CS35L36_SWIRE_P1_TX2_SEL, 0x00000019},
+ {CS35L36_SWIRE_P2_TX1_SEL, 0x00000028},
+ {CS35L36_SWIRE_P2_TX2_SEL, 0x00000029},
+ {CS35L36_SWIRE_P2_TX3_SEL, 0x00000020},
+ {CS35L36_SWIRE_DP1_FIFO_CFG, 0x0000001B},
+ {CS35L36_SWIRE_DP2_FIFO_CFG, 0x0000001B},
+ {CS35L36_SWIRE_DP3_FIFO_CFG, 0x0000001B},
+ {CS35L36_SWIRE_PCM_RX_DATA, 0x00000000},
+ {CS35L36_SWIRE_FS_SEL, 0x00000001},
+ {CS35L36_AMP_DIG_VOL_CTRL, 0x00008000},
+ {CS35L36_VPBR_CFG, 0x02AA1905},
+ {CS35L36_VBBR_CFG, 0x02AA1905},
+ {CS35L36_VPBR_STATUS, 0x00000000},
+ {CS35L36_VBBR_STATUS, 0x00000000},
+ {CS35L36_OVERTEMP_CFG, 0x00000001},
+ {CS35L36_AMP_ERR_VOL, 0x00000000},
+ {CS35L36_CLASSH_CFG, 0x000B0405},
+ {CS35L36_CLASSH_FET_DRV_CFG, 0x00000111},
+ {CS35L36_NG_CFG, 0x00000033},
+ {CS35L36_AMP_GAIN_CTRL, 0x00000273},
+ {CS35L36_PWM_MOD_IO_CTRL, 0x00000000},
+ {CS35L36_PWM_MOD_STATUS, 0x00000000},
+ {CS35L36_DAC_MSM_CFG, 0x00000000},
+ {CS35L36_AMP_SLOPE_CTRL, 0x00000B00},
+ {CS35L36_AMP_PDM_VOLUME, 0x00000000},
+ {CS35L36_AMP_PDM_RATE_CTRL, 0x00000000},
+ {CS35L36_PDM_CH_SEL, 0x00000000},
+ {CS35L36_AMP_NG_CTRL, 0x0000212F},
+ {CS35L36_PDM_HIGHFILT_CTRL, 0x00000000},
+ {CS35L36_PAC_INT0_CTRL, 0x00000001},
+ {CS35L36_PAC_INT1_CTRL, 0x00000001},
+ {CS35L36_PAC_INT2_CTRL, 0x00000001},
+ {CS35L36_PAC_INT3_CTRL, 0x00000001},
+ {CS35L36_PAC_INT4_CTRL, 0x00000001},
+ {CS35L36_PAC_INT5_CTRL, 0x00000001},
+ {CS35L36_PAC_INT6_CTRL, 0x00000001},
+ {CS35L36_PAC_INT7_CTRL, 0x00000001},
+};
+
+static bool cs35l36_readable_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case CS35L36_SW_RESET:
+ case CS35L36_SW_REV:
+ case CS35L36_HW_REV:
+ case CS35L36_TESTKEY_CTRL:
+ case CS35L36_USERKEY_CTL:
+ case CS35L36_OTP_MEM30:
+ case CS35L36_OTP_CTRL1:
+ case CS35L36_OTP_CTRL2:
+ case CS35L36_OTP_CTRL3:
+ case CS35L36_OTP_CTRL4:
+ case CS35L36_OTP_CTRL5:
+ case CS35L36_PAC_CTL1:
+ case CS35L36_PAC_CTL2:
+ case CS35L36_PAC_CTL3:
+ case CS35L36_DEVICE_ID:
+ case CS35L36_FAB_ID:
+ case CS35L36_REV_ID:
+ case CS35L36_PWR_CTRL1:
+ case CS35L36_PWR_CTRL2:
+ case CS35L36_PWR_CTRL3:
+ case CS35L36_CTRL_OVRRIDE:
+ case CS35L36_AMP_OUT_MUTE:
+ case CS35L36_OTP_TRIM_STATUS:
+ case CS35L36_DISCH_FILT:
+ case CS35L36_PROTECT_REL_ERR:
+ case CS35L36_PAD_INTERFACE:
+ case CS35L36_PLL_CLK_CTRL:
+ case CS35L36_GLOBAL_CLK_CTRL:
+ case CS35L36_ADC_CLK_CTRL:
+ case CS35L36_SWIRE_CLK_CTRL:
+ case CS35L36_SP_SCLK_CLK_CTRL:
+ case CS35L36_TST_FS_MON0:
+ case CS35L36_MDSYNC_EN:
+ case CS35L36_MDSYNC_TX_ID:
+ case CS35L36_MDSYNC_PWR_CTRL:
+ case CS35L36_MDSYNC_DATA_TX:
+ case CS35L36_MDSYNC_TX_STATUS:
+ case CS35L36_MDSYNC_RX_STATUS:
+ case CS35L36_MDSYNC_ERR_STATUS:
+ case CS35L36_BSTCVRT_VCTRL1:
+ case CS35L36_BSTCVRT_VCTRL2:
+ case CS35L36_BSTCVRT_PEAK_CUR:
+ case CS35L36_BSTCVRT_SFT_RAMP:
+ case CS35L36_BSTCVRT_COEFF:
+ case CS35L36_BSTCVRT_SLOPE_LBST:
+ case CS35L36_BSTCVRT_SW_FREQ:
+ case CS35L36_BSTCVRT_DCM_CTRL:
+ case CS35L36_BSTCVRT_DCM_MODE_FORCE:
+ case CS35L36_BSTCVRT_OVERVOLT_CTRL:
+ case CS35L36_BST_TST_MANUAL:
+ case CS35L36_BST_ANA2_TEST:
+ case CS35L36_VPI_LIMIT_MODE:
+ case CS35L36_VPI_LIMIT_MINMAX:
+ case CS35L36_VPI_VP_THLD:
+ case CS35L36_VPI_TRACK_CTRL:
+ case CS35L36_VPI_TRIG_MODE_CTRL:
+ case CS35L36_VPI_TRIG_STEPS:
+ case CS35L36_VI_SPKMON_FILT:
+ case CS35L36_VI_SPKMON_GAIN:
+ case CS35L36_VI_SPKMON_IP_SEL:
+ case CS35L36_DTEMP_WARN_THLD:
+ case CS35L36_DTEMP_STATUS:
+ case CS35L36_VPVBST_FS_SEL:
+ case CS35L36_VPVBST_VP_CTRL:
+ case CS35L36_VPVBST_VBST_CTRL:
+ case CS35L36_ASP_TX_PIN_CTRL:
+ case CS35L36_ASP_RATE_CTRL:
+ case CS35L36_ASP_FORMAT:
+ case CS35L36_ASP_FRAME_CTRL:
+ case CS35L36_ASP_TX1_TX2_SLOT:
+ case CS35L36_ASP_TX3_TX4_SLOT:
+ case CS35L36_ASP_TX5_TX6_SLOT:
+ case CS35L36_ASP_TX7_TX8_SLOT:
+ case CS35L36_ASP_RX1_SLOT:
+ case CS35L36_ASP_RX_TX_EN:
+ case CS35L36_ASP_RX1_SEL:
+ case CS35L36_ASP_TX1_SEL:
+ case CS35L36_ASP_TX2_SEL:
+ case CS35L36_ASP_TX3_SEL:
+ case CS35L36_ASP_TX4_SEL:
+ case CS35L36_ASP_TX5_SEL:
+ case CS35L36_ASP_TX6_SEL:
+ case CS35L36_SWIRE_P1_TX1_SEL:
+ case CS35L36_SWIRE_P1_TX2_SEL:
+ case CS35L36_SWIRE_P2_TX1_SEL:
+ case CS35L36_SWIRE_P2_TX2_SEL:
+ case CS35L36_SWIRE_P2_TX3_SEL:
+ case CS35L36_SWIRE_DP1_FIFO_CFG:
+ case CS35L36_SWIRE_DP2_FIFO_CFG:
+ case CS35L36_SWIRE_DP3_FIFO_CFG:
+ case CS35L36_SWIRE_PCM_RX_DATA:
+ case CS35L36_SWIRE_FS_SEL:
+ case CS35L36_AMP_DIG_VOL_CTRL:
+ case CS35L36_VPBR_CFG:
+ case CS35L36_VBBR_CFG:
+ case CS35L36_VPBR_STATUS:
+ case CS35L36_VBBR_STATUS:
+ case CS35L36_OVERTEMP_CFG:
+ case CS35L36_AMP_ERR_VOL:
+ case CS35L36_CLASSH_CFG:
+ case CS35L36_CLASSH_FET_DRV_CFG:
+ case CS35L36_NG_CFG:
+ case CS35L36_AMP_GAIN_CTRL:
+ case CS35L36_PWM_MOD_IO_CTRL:
+ case CS35L36_PWM_MOD_STATUS:
+ case CS35L36_DAC_MSM_CFG:
+ case CS35L36_AMP_SLOPE_CTRL:
+ case CS35L36_AMP_PDM_VOLUME:
+ case CS35L36_AMP_PDM_RATE_CTRL:
+ case CS35L36_PDM_CH_SEL:
+ case CS35L36_AMP_NG_CTRL:
+ case CS35L36_PDM_HIGHFILT_CTRL:
+ case CS35L36_INT1_STATUS:
+ case CS35L36_INT2_STATUS:
+ case CS35L36_INT3_STATUS:
+ case CS35L36_INT4_STATUS:
+ case CS35L36_INT1_RAW_STATUS:
+ case CS35L36_INT2_RAW_STATUS:
+ case CS35L36_INT3_RAW_STATUS:
+ case CS35L36_INT4_RAW_STATUS:
+ case CS35L36_INT1_MASK:
+ case CS35L36_INT2_MASK:
+ case CS35L36_INT3_MASK:
+ case CS35L36_INT4_MASK:
+ case CS35L36_INT1_EDGE_LVL_CTRL:
+ case CS35L36_INT3_EDGE_LVL_CTRL:
+ case CS35L36_PAC_INT_STATUS:
+ case CS35L36_PAC_INT_RAW_STATUS:
+ case CS35L36_PAC_INT_FLUSH_CTRL:
+ case CS35L36_PAC_INT0_CTRL:
+ case CS35L36_PAC_INT1_CTRL:
+ case CS35L36_PAC_INT2_CTRL:
+ case CS35L36_PAC_INT3_CTRL:
+ case CS35L36_PAC_INT4_CTRL:
+ case CS35L36_PAC_INT5_CTRL:
+ case CS35L36_PAC_INT6_CTRL:
+ case CS35L36_PAC_INT7_CTRL:
+ return true;
+ default:
+ if (reg >= CS35L36_PAC_PMEM_WORD0 &&
+ reg <= CS35L36_PAC_PMEM_WORD1023)
+ return true;
+ else
+ return false;
+ }
+}
+
+static bool cs35l36_precious_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case CS35L36_TESTKEY_CTRL:
+ case CS35L36_USERKEY_CTL:
+ case CS35L36_TST_FS_MON0:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool cs35l36_volatile_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case CS35L36_SW_RESET:
+ case CS35L36_SW_REV:
+ case CS35L36_HW_REV:
+ case CS35L36_TESTKEY_CTRL:
+ case CS35L36_USERKEY_CTL:
+ case CS35L36_DEVICE_ID:
+ case CS35L36_FAB_ID:
+ case CS35L36_REV_ID:
+ case CS35L36_INT1_STATUS:
+ case CS35L36_INT2_STATUS:
+ case CS35L36_INT3_STATUS:
+ case CS35L36_INT4_STATUS:
+ case CS35L36_INT1_RAW_STATUS:
+ case CS35L36_INT2_RAW_STATUS:
+ case CS35L36_INT3_RAW_STATUS:
+ case CS35L36_INT4_RAW_STATUS:
+ case CS35L36_INT1_MASK:
+ case CS35L36_INT2_MASK:
+ case CS35L36_INT3_MASK:
+ case CS35L36_INT4_MASK:
+ case CS35L36_INT1_EDGE_LVL_CTRL:
+ case CS35L36_INT3_EDGE_LVL_CTRL:
+ case CS35L36_PAC_INT_STATUS:
+ case CS35L36_PAC_INT_RAW_STATUS:
+ case CS35L36_PAC_INT_FLUSH_CTRL:
+ return true;
+ default:
+ if (reg >= CS35L36_PAC_PMEM_WORD0 &&
+ reg <= CS35L36_PAC_PMEM_WORD1023)
+ return true;
+ else
+ return false;
+ }
+}
+
+static DECLARE_TLV_DB_SCALE(dig_vol_tlv, -10200, 25, 0);
+static DECLARE_TLV_DB_SCALE(amp_gain_tlv, 0, 1, 1);
+
+static const char * const cs35l36_pcm_sftramp_text[] = {
+ "Off", ".5ms", "1ms", "2ms", "4ms", "8ms", "15ms", "30ms"};
+
+static SOC_ENUM_SINGLE_DECL(pcm_sft_ramp, CS35L36_AMP_DIG_VOL_CTRL, 0,
+ cs35l36_pcm_sftramp_text);
+
+static int cs35l36_ldm_sel_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component =
+ snd_soc_kcontrol_component(kcontrol);
+ struct cs35l36_private *cs35l36 =
+ snd_soc_component_get_drvdata(component);
+
+ ucontrol->value.integer.value[0] = cs35l36->ldm_mode_sel;
+
+ return 0;
+}
+
+static int cs35l36_ldm_sel_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *component =
+ snd_soc_kcontrol_component(kcontrol);
+ struct cs35l36_private *cs35l36 =
+ snd_soc_component_get_drvdata(component);
+ int val = (ucontrol->value.integer.value[0]) ? CS35L36_NG_AMP_EN_MASK :
+ 0;
+
+ cs35l36->ldm_mode_sel = val;
+
+ regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG,
+ CS35L36_NG_AMP_EN_MASK, val);
+
+ return 0;
+}
+
+static const struct snd_kcontrol_new cs35l36_aud_controls[] = {
+ SOC_SINGLE_SX_TLV("Digital PCM Volume", CS35L36_AMP_DIG_VOL_CTRL,
+ 3, 0x4D0, 0x390, dig_vol_tlv),
+ SOC_SINGLE_TLV("Analog PCM Volume", CS35L36_AMP_GAIN_CTRL, 5, 0x13, 0,
+ amp_gain_tlv),
+ SOC_ENUM("PCM Soft Ramp", pcm_sft_ramp),
+ SOC_SINGLE("Amp Gain Zero-Cross Switch", CS35L36_AMP_GAIN_CTRL,
+ CS35L36_AMP_ZC_SHIFT, 1, 0),
+ SOC_SINGLE("PDM LDM Enter Ramp Switch", CS35L36_DAC_MSM_CFG,
+ CS35L36_PDM_LDM_ENTER_SHIFT, 1, 0),
+ SOC_SINGLE("PDM LDM Exit Ramp Switch", CS35L36_DAC_MSM_CFG,
+ CS35L36_PDM_LDM_EXIT_SHIFT, 1, 0),
+ SOC_SINGLE_BOOL_EXT("LDM Select Switch", 0, cs35l36_ldm_sel_get,
+ cs35l36_ldm_sel_put),
+};
+
+static int cs35l36_main_amp_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_component *component =
+ snd_soc_dapm_to_component(w->dapm);
+ struct cs35l36_private *cs35l36 =
+ snd_soc_component_get_drvdata(component);
+ u32 reg;
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL1,
+ CS35L36_GLOBAL_EN_MASK,
+ 1 << CS35L36_GLOBAL_EN_SHIFT);
+
+ usleep_range(2000, 2100);
+
+ regmap_read(cs35l36->regmap, CS35L36_INT4_RAW_STATUS, &reg);
+
+ if (WARN_ON_ONCE(reg & CS35L36_PLL_UNLOCK_MASK))
+ dev_crit(cs35l36->dev, "PLL Unlocked\n");
+
+ regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RX1_SEL,
+ CS35L36_PCM_RX_SEL_MASK,
+ CS35L36_PCM_RX_SEL_PCM);
+ regmap_update_bits(cs35l36->regmap, CS35L36_AMP_OUT_MUTE,
+ CS35L36_AMP_MUTE_MASK,
+ 0 << CS35L36_AMP_MUTE_SHIFT);
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RX1_SEL,
+ CS35L36_PCM_RX_SEL_MASK,
+ CS35L36_PCM_RX_SEL_ZERO);
+ regmap_update_bits(cs35l36->regmap, CS35L36_AMP_OUT_MUTE,
+ CS35L36_AMP_MUTE_MASK,
+ 1 << CS35L36_AMP_MUTE_SHIFT);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL1,
+ CS35L36_GLOBAL_EN_MASK,
+ 0 << CS35L36_GLOBAL_EN_SHIFT);
+
+ usleep_range(2000, 2100);
+ break;
+ default:
+ dev_dbg(component->dev, "Invalid event = 0x%x\n", event);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int cs35l36_boost_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_component *component =
+ snd_soc_dapm_to_component(w->dapm);
+ struct cs35l36_private *cs35l36 =
+ snd_soc_component_get_drvdata(component);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ if (!cs35l36->pdata.extern_boost)
+ regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL2,
+ CS35L36_BST_EN_MASK,
+ CS35L36_BST_EN <<
+ CS35L36_BST_EN_SHIFT);
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ if (!cs35l36->pdata.extern_boost)
+ regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL2,
+ CS35L36_BST_EN_MASK,
+ CS35L36_BST_DIS_VP <<
+ CS35L36_BST_EN_SHIFT);
+ break;
+ default:
+ dev_dbg(component->dev, "Invalid event = 0x%x\n", event);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const char * const cs35l36_chan_text[] = {
+ "RX1",
+ "RX2",
+};
+
+static SOC_ENUM_SINGLE_DECL(chansel_enum, CS35L36_ASP_RX1_SLOT, 0,
+ cs35l36_chan_text);
+
+static const struct snd_kcontrol_new cs35l36_chan_mux =
+ SOC_DAPM_ENUM("Input Mux", chansel_enum);
+
+static const struct snd_kcontrol_new amp_enable_ctrl =
+ SOC_DAPM_SINGLE_AUTODISABLE("Switch", CS35L36_AMP_OUT_MUTE,
+ CS35L36_AMP_MUTE_SHIFT, 1, 1);
+
+static const struct snd_kcontrol_new boost_ctrl =
+ SOC_DAPM_SINGLE_VIRT("Switch", 1);
+
+static const char * const asp_tx_src_text[] = {
+ "Zero Fill", "ASPRX1", "VMON", "IMON", "ERRVOL", "VPMON", "VBSTMON"
+};
+
+static const unsigned int asp_tx_src_values[] = {
+ 0x00, 0x08, 0x18, 0x19, 0x20, 0x28, 0x29
+};
+
+static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx1_src_enum, CS35L36_ASP_TX1_SEL, 0,
+ CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
+ asp_tx_src_values);
+
+static const struct snd_kcontrol_new asp_tx1_src =
+ SOC_DAPM_ENUM("ASPTX1SRC", asp_tx1_src_enum);
+
+static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx2_src_enum, CS35L36_ASP_TX2_SEL, 0,
+ CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
+ asp_tx_src_values);
+
+static const struct snd_kcontrol_new asp_tx2_src =
+ SOC_DAPM_ENUM("ASPTX2SRC", asp_tx2_src_enum);
+
+static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx3_src_enum, CS35L36_ASP_TX3_SEL, 0,
+ CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
+ asp_tx_src_values);
+
+static const struct snd_kcontrol_new asp_tx3_src =
+ SOC_DAPM_ENUM("ASPTX3SRC", asp_tx3_src_enum);
+
+static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx4_src_enum, CS35L36_ASP_TX4_SEL, 0,
+ CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
+ asp_tx_src_values);
+
+static const struct snd_kcontrol_new asp_tx4_src =
+ SOC_DAPM_ENUM("ASPTX4SRC", asp_tx4_src_enum);
+
+static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx5_src_enum, CS35L36_ASP_TX5_SEL, 0,
+ CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
+ asp_tx_src_values);
+
+static const struct snd_kcontrol_new asp_tx5_src =
+ SOC_DAPM_ENUM("ASPTX5SRC", asp_tx5_src_enum);
+
+static SOC_VALUE_ENUM_SINGLE_DECL(asp_tx6_src_enum, CS35L36_ASP_TX6_SEL, 0,
+ CS35L36_APS_TX_SEL_MASK, asp_tx_src_text,
+ asp_tx_src_values);
+
+static const struct snd_kcontrol_new asp_tx6_src =
+ SOC_DAPM_ENUM("ASPTX6SRC", asp_tx6_src_enum);
+
+static const struct snd_soc_dapm_widget cs35l36_dapm_widgets[] = {
+ SND_SOC_DAPM_MUX("Channel Mux", SND_SOC_NOPM, 0, 0, &cs35l36_chan_mux),
+ SND_SOC_DAPM_AIF_IN("SDIN", NULL, 0, CS35L36_ASP_RX_TX_EN, 16, 0),
+
+ SND_SOC_DAPM_OUT_DRV_E("Main AMP", CS35L36_PWR_CTRL2, 0, 0, NULL, 0,
+ cs35l36_main_amp_event, SND_SOC_DAPM_POST_PMD |
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
+
+ SND_SOC_DAPM_OUTPUT("SPK"),
+ SND_SOC_DAPM_SWITCH("AMP Enable", SND_SOC_NOPM, 0, 1, &amp_enable_ctrl),
+ SND_SOC_DAPM_MIXER("CLASS H", CS35L36_PWR_CTRL3, 4, 0, NULL, 0),
+ SND_SOC_DAPM_SWITCH_E("BOOST Enable", SND_SOC_NOPM, 0, 0, &boost_ctrl,
+ cs35l36_boost_event, SND_SOC_DAPM_POST_PMD |
+ SND_SOC_DAPM_POST_PMU),
+
+ SND_SOC_DAPM_AIF_OUT("ASPTX1", NULL, 0, CS35L36_ASP_RX_TX_EN, 0, 0),
+ SND_SOC_DAPM_AIF_OUT("ASPTX2", NULL, 1, CS35L36_ASP_RX_TX_EN, 1, 0),
+ SND_SOC_DAPM_AIF_OUT("ASPTX3", NULL, 2, CS35L36_ASP_RX_TX_EN, 2, 0),
+ SND_SOC_DAPM_AIF_OUT("ASPTX4", NULL, 3, CS35L36_ASP_RX_TX_EN, 3, 0),
+ SND_SOC_DAPM_AIF_OUT("ASPTX5", NULL, 4, CS35L36_ASP_RX_TX_EN, 4, 0),
+ SND_SOC_DAPM_AIF_OUT("ASPTX6", NULL, 5, CS35L36_ASP_RX_TX_EN, 5, 0),
+
+ SND_SOC_DAPM_MUX("ASPTX1SRC", SND_SOC_NOPM, 0, 0, &asp_tx1_src),
+ SND_SOC_DAPM_MUX("ASPTX2SRC", SND_SOC_NOPM, 0, 0, &asp_tx2_src),
+ SND_SOC_DAPM_MUX("ASPTX3SRC", SND_SOC_NOPM, 0, 0, &asp_tx3_src),
+ SND_SOC_DAPM_MUX("ASPTX4SRC", SND_SOC_NOPM, 0, 0, &asp_tx4_src),
+ SND_SOC_DAPM_MUX("ASPTX5SRC", SND_SOC_NOPM, 0, 0, &asp_tx5_src),
+ SND_SOC_DAPM_MUX("ASPTX6SRC", SND_SOC_NOPM, 0, 0, &asp_tx6_src),
+
+ SND_SOC_DAPM_ADC("VMON ADC", NULL, CS35L36_PWR_CTRL2, 12, 0),
+ SND_SOC_DAPM_ADC("IMON ADC", NULL, CS35L36_PWR_CTRL2, 13, 0),
+ SND_SOC_DAPM_ADC("VPMON ADC", NULL, CS35L36_PWR_CTRL2, 8, 0),
+ SND_SOC_DAPM_ADC("VBSTMON ADC", NULL, CS35L36_PWR_CTRL2, 9, 0),
+
+ SND_SOC_DAPM_INPUT("VP"),
+ SND_SOC_DAPM_INPUT("VBST"),
+ SND_SOC_DAPM_INPUT("VSENSE"),
+};
+
+static const struct snd_soc_dapm_route cs35l36_audio_map[] = {
+ {"VPMON ADC", NULL, "VP"},
+ {"VBSTMON ADC", NULL, "VBST"},
+ {"IMON ADC", NULL, "VSENSE"},
+ {"VMON ADC", NULL, "VSENSE"},
+
+ {"ASPTX1SRC", "IMON", "IMON ADC"},
+ {"ASPTX1SRC", "VMON", "VMON ADC"},
+ {"ASPTX1SRC", "VBSTMON", "VBSTMON ADC"},
+ {"ASPTX1SRC", "VPMON", "VPMON ADC"},
+
+ {"ASPTX2SRC", "IMON", "IMON ADC"},
+ {"ASPTX2SRC", "VMON", "VMON ADC"},
+ {"ASPTX2SRC", "VBSTMON", "VBSTMON ADC"},
+ {"ASPTX2SRC", "VPMON", "VPMON ADC"},
+
+ {"ASPTX3SRC", "IMON", "IMON ADC"},
+ {"ASPTX3SRC", "VMON", "VMON ADC"},
+ {"ASPTX3SRC", "VBSTMON", "VBSTMON ADC"},
+ {"ASPTX3SRC", "VPMON", "VPMON ADC"},
+
+ {"ASPTX4SRC", "IMON", "IMON ADC"},
+ {"ASPTX4SRC", "VMON", "VMON ADC"},
+ {"ASPTX4SRC", "VBSTMON", "VBSTMON ADC"},
+ {"ASPTX4SRC", "VPMON", "VPMON ADC"},
+
+ {"ASPTX5SRC", "IMON", "IMON ADC"},
+ {"ASPTX5SRC", "VMON", "VMON ADC"},
+ {"ASPTX5SRC", "VBSTMON", "VBSTMON ADC"},
+ {"ASPTX5SRC", "VPMON", "VPMON ADC"},
+
+ {"ASPTX6SRC", "IMON", "IMON ADC"},
+ {"ASPTX6SRC", "VMON", "VMON ADC"},
+ {"ASPTX6SRC", "VBSTMON", "VBSTMON ADC"},
+ {"ASPTX6SRC", "VPMON", "VPMON ADC"},
+
+ {"ASPTX1", NULL, "ASPTX1SRC"},
+ {"ASPTX2", NULL, "ASPTX2SRC"},
+ {"ASPTX3", NULL, "ASPTX3SRC"},
+ {"ASPTX4", NULL, "ASPTX4SRC"},
+ {"ASPTX5", NULL, "ASPTX5SRC"},
+ {"ASPTX6", NULL, "ASPTX6SRC"},
+
+ {"AMP Capture", NULL, "ASPTX1"},
+ {"AMP Capture", NULL, "ASPTX2"},
+ {"AMP Capture", NULL, "ASPTX3"},
+ {"AMP Capture", NULL, "ASPTX4"},
+ {"AMP Capture", NULL, "ASPTX5"},
+ {"AMP Capture", NULL, "ASPTX6"},
+
+ {"AMP Enable", "Switch", "AMP Playback"},
+ {"SDIN", NULL, "AMP Enable"},
+ {"Channel Mux", "RX1", "SDIN"},
+ {"Channel Mux", "RX2", "SDIN"},
+ {"BOOST Enable", "Switch", "Channel Mux"},
+ {"CLASS H", NULL, "BOOST Enable"},
+ {"Main AMP", NULL, "Channel Mux"},
+ {"Main AMP", NULL, "CLASS H"},
+ {"SPK", NULL, "Main AMP"},
+};
+
+static int cs35l36_set_dai_fmt(struct snd_soc_dai *component_dai,
+ unsigned int fmt)
+{
+ struct cs35l36_private *cs35l36 =
+ snd_soc_component_get_drvdata(component_dai->component);
+ unsigned int asp_fmt, lrclk_fmt, sclk_fmt, slave_mode, clk_frc;
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBM_CFM:
+ slave_mode = 1;
+ break;
+ case SND_SOC_DAIFMT_CBS_CFS:
+ slave_mode = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ regmap_update_bits(cs35l36->regmap, CS35L36_ASP_TX_PIN_CTRL,
+ CS35L36_SCLK_MSTR_MASK,
+ slave_mode << CS35L36_SCLK_MSTR_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RATE_CTRL,
+ CS35L36_LRCLK_MSTR_MASK,
+ slave_mode << CS35L36_LRCLK_MSTR_SHIFT);
+
+ switch (fmt & SND_SOC_DAIFMT_CLOCK_MASK) {
+ case SND_SOC_DAIFMT_CONT:
+ clk_frc = 1;
+ break;
+ case SND_SOC_DAIFMT_GATED:
+ clk_frc = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ regmap_update_bits(cs35l36->regmap, CS35L36_ASP_TX_PIN_CTRL,
+ CS35L36_SCLK_FRC_MASK, clk_frc <<
+ CS35L36_SCLK_FRC_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RATE_CTRL,
+ CS35L36_LRCLK_FRC_MASK, clk_frc <<
+ CS35L36_LRCLK_FRC_SHIFT);
+
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_DSP_A:
+ asp_fmt = 0;
+ break;
+ case SND_SOC_DAIFMT_I2S:
+ asp_fmt = 2;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_IF:
+ lrclk_fmt = 1;
+ sclk_fmt = 0;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ lrclk_fmt = 0;
+ sclk_fmt = 1;
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ lrclk_fmt = 1;
+ sclk_fmt = 1;
+ break;
+ case SND_SOC_DAIFMT_NB_NF:
+ lrclk_fmt = 0;
+ sclk_fmt = 0;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ regmap_update_bits(cs35l36->regmap, CS35L36_ASP_RATE_CTRL,
+ CS35L36_LRCLK_INV_MASK,
+ lrclk_fmt << CS35L36_LRCLK_INV_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_ASP_TX_PIN_CTRL,
+ CS35L36_SCLK_INV_MASK,
+ sclk_fmt << CS35L36_SCLK_INV_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_ASP_FORMAT,
+ CS35L36_ASP_FMT_MASK, asp_fmt);
+
+ return 0;
+}
+
+struct cs35l36_global_fs_config {
+ int rate;
+ int fs_cfg;
+};
+
+static const struct cs35l36_global_fs_config cs35l36_fs_rates[] = {
+ {12000, 0x01},
+ {24000, 0x02},
+ {48000, 0x03},
+ {96000, 0x04},
+ {192000, 0x05},
+ {384000, 0x06},
+ {11025, 0x09},
+ {22050, 0x0A},
+ {44100, 0x0B},
+ {88200, 0x0C},
+ {176400, 0x0D},
+ {8000, 0x11},
+ {16000, 0x12},
+ {32000, 0x13},
+};
+
+static int cs35l36_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct cs35l36_private *cs35l36 =
+ snd_soc_component_get_drvdata(dai->component);
+ unsigned int asp_width, global_fs = params_rate(params);
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(cs35l36_fs_rates); i++) {
+ if (global_fs == cs35l36_fs_rates[i].rate)
+ regmap_update_bits(cs35l36->regmap,
+ CS35L36_GLOBAL_CLK_CTRL,
+ CS35L36_GLOBAL_FS_MASK,
+ cs35l36_fs_rates[i].fs_cfg <<
+ CS35L36_GLOBAL_FS_SHIFT);
+ }
+
+ switch (params_width(params)) {
+ case 16:
+ asp_width = CS35L36_ASP_WIDTH_16;
+ break;
+ case 24:
+ asp_width = CS35L36_ASP_WIDTH_24;
+ break;
+ case 32:
+ asp_width = CS35L36_ASP_WIDTH_32;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ regmap_update_bits(cs35l36->regmap, CS35L36_ASP_FRAME_CTRL,
+ CS35L36_ASP_RX_WIDTH_MASK,
+ asp_width << CS35L36_ASP_RX_WIDTH_SHIFT);
+ } else {
+ regmap_update_bits(cs35l36->regmap, CS35L36_ASP_FRAME_CTRL,
+ CS35L36_ASP_TX_WIDTH_MASK,
+ asp_width << CS35L36_ASP_TX_WIDTH_SHIFT);
+ }
+
+ return 0;
+}
+
+static int cs35l36_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
+ unsigned int freq, int dir)
+{
+ struct snd_soc_component *component = dai->component;
+ struct cs35l36_private *cs35l36 =
+ snd_soc_component_get_drvdata(component);
+ int fs1, fs2;
+
+ if (freq > CS35L36_FS_NOM_6MHZ) {
+ fs1 = CS35L36_FS1_DEFAULT_VAL;
+ fs2 = CS35L36_FS2_DEFAULT_VAL;
+ } else {
+ fs1 = 3 * ((CS35L36_FS_NOM_6MHZ * 4 + freq - 1) / freq) + 4;
+ fs2 = 5 * ((CS35L36_FS_NOM_6MHZ * 4 + freq - 1) / freq) + 4;
+ }
+
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_UNLOCK1);
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_UNLOCK2);
+
+ regmap_update_bits(cs35l36->regmap, CS35L36_TST_FS_MON0,
+ CS35L36_FS1_WINDOW_MASK | CS35L36_FS2_WINDOW_MASK,
+ fs1 | (fs2 << CS35L36_FS2_WINDOW_SHIFT));
+
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_LOCK1);
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_LOCK2);
+ return 0;
+}
+
+static const struct cs35l36_pll_config *cs35l36_get_clk_config(
+ struct cs35l36_private *cs35l36, int freq)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(cs35l36_pll_sysclk); i++) {
+ if (cs35l36_pll_sysclk[i].freq == freq)
+ return &cs35l36_pll_sysclk[i];
+ }
+
+ return NULL;
+}
+
+static const unsigned int cs35l36_src_rates[] = {
+ 8000, 12000, 11025, 16000, 22050, 24000, 32000,
+ 44100, 48000, 88200, 96000, 176400, 192000, 384000
+};
+
+static const struct snd_pcm_hw_constraint_list cs35l36_constraints = {
+ .count = ARRAY_SIZE(cs35l36_src_rates),
+ .list = cs35l36_src_rates,
+};
+
+static int cs35l36_pcm_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE, &cs35l36_constraints);
+
+ return 0;
+}
+
+static const struct snd_soc_dai_ops cs35l36_ops = {
+ .startup = cs35l36_pcm_startup,
+ .set_fmt = cs35l36_set_dai_fmt,
+ .hw_params = cs35l36_pcm_hw_params,
+ .set_sysclk = cs35l36_dai_set_sysclk,
+};
+
+static struct snd_soc_dai_driver cs35l36_dai[] = {
+ {
+ .name = "cs35l36-pcm",
+ .id = 0,
+ .playback = {
+ .stream_name = "AMP Playback",
+ .channels_min = 1,
+ .channels_max = 8,
+ .rates = SNDRV_PCM_RATE_KNOT,
+ .formats = CS35L36_RX_FORMATS,
+ },
+ .capture = {
+ .stream_name = "AMP Capture",
+ .channels_min = 1,
+ .channels_max = 8,
+ .rates = SNDRV_PCM_RATE_KNOT,
+ .formats = CS35L36_TX_FORMATS,
+ },
+ .ops = &cs35l36_ops,
+ .symmetric_rates = 1,
+ },
+};
+
+static int cs35l36_component_set_sysclk(struct snd_soc_component *component,
+ int clk_id, int source, unsigned int freq,
+ int dir)
+{
+ struct cs35l36_private *cs35l36 =
+ snd_soc_component_get_drvdata(component);
+ const struct cs35l36_pll_config *clk_cfg;
+ int prev_clksrc;
+ bool pdm_switch;
+
+ prev_clksrc = cs35l36->clksrc;
+
+ switch (clk_id) {
+ case 0:
+ cs35l36->clksrc = CS35L36_PLLSRC_SCLK;
+ break;
+ case 1:
+ cs35l36->clksrc = CS35L36_PLLSRC_LRCLK;
+ break;
+ case 2:
+ cs35l36->clksrc = CS35L36_PLLSRC_PDMCLK;
+ break;
+ case 3:
+ cs35l36->clksrc = CS35L36_PLLSRC_SELF;
+ break;
+ case 4:
+ cs35l36->clksrc = CS35L36_PLLSRC_MCLK;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ clk_cfg = cs35l36_get_clk_config(cs35l36, freq);
+ if (clk_cfg == NULL) {
+ dev_err(component->dev, "Invalid CLK Config Freq: %d\n", freq);
+ return -EINVAL;
+ }
+
+ regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
+ CS35L36_PLL_OPENLOOP_MASK,
+ 1 << CS35L36_PLL_OPENLOOP_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
+ CS35L36_REFCLK_FREQ_MASK,
+ clk_cfg->clk_cfg << CS35L36_REFCLK_FREQ_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
+ CS35L36_PLL_REFCLK_EN_MASK,
+ 0 << CS35L36_PLL_REFCLK_EN_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
+ CS35L36_PLL_CLK_SEL_MASK,
+ cs35l36->clksrc);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
+ CS35L36_PLL_OPENLOOP_MASK,
+ 0 << CS35L36_PLL_OPENLOOP_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PLL_CLK_CTRL,
+ CS35L36_PLL_REFCLK_EN_MASK,
+ 1 << CS35L36_PLL_REFCLK_EN_SHIFT);
+
+ if (cs35l36->rev_id == CS35L36_REV_A0) {
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_UNLOCK1);
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_UNLOCK2);
+
+ regmap_write(cs35l36->regmap, CS35L36_DCO_CTRL, 0x00036DA8);
+ regmap_write(cs35l36->regmap, CS35L36_MISC_CTRL, 0x0100EE0E);
+
+ regmap_update_bits(cs35l36->regmap, CS35L36_PLL_LOOP_PARAMS,
+ CS35L36_PLL_IGAIN_MASK,
+ CS35L36_PLL_IGAIN <<
+ CS35L36_PLL_IGAIN_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PLL_LOOP_PARAMS,
+ CS35L36_PLL_FFL_IGAIN_MASK,
+ clk_cfg->fll_igain);
+
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_LOCK1);
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_LOCK2);
+ }
+
+ if (cs35l36->clksrc == CS35L36_PLLSRC_PDMCLK) {
+ pdm_switch = cs35l36->ldm_mode_sel &&
+ (prev_clksrc != CS35L36_PLLSRC_PDMCLK);
+
+ if (pdm_switch)
+ regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG,
+ CS35L36_NG_DELAY_MASK,
+ 0 << CS35L36_NG_DELAY_SHIFT);
+
+ regmap_update_bits(cs35l36->regmap, CS35L36_DAC_MSM_CFG,
+ CS35L36_PDM_MODE_MASK,
+ 1 << CS35L36_PDM_MODE_SHIFT);
+
+ if (pdm_switch)
+ regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG,
+ CS35L36_NG_DELAY_MASK,
+ 3 << CS35L36_NG_DELAY_SHIFT);
+ } else {
+ pdm_switch = cs35l36->ldm_mode_sel &&
+ (prev_clksrc == CS35L36_PLLSRC_PDMCLK);
+
+ if (pdm_switch)
+ regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG,
+ CS35L36_NG_DELAY_MASK,
+ 0 << CS35L36_NG_DELAY_SHIFT);
+
+ regmap_update_bits(cs35l36->regmap, CS35L36_DAC_MSM_CFG,
+ CS35L36_PDM_MODE_MASK,
+ 0 << CS35L36_PDM_MODE_SHIFT);
+
+ if (pdm_switch)
+ regmap_update_bits(cs35l36->regmap, CS35L36_NG_CFG,
+ CS35L36_NG_DELAY_MASK,
+ 3 << CS35L36_NG_DELAY_SHIFT);
+ }
+
+ return 0;
+}
+
+static int cs35l36_boost_inductor(struct cs35l36_private *cs35l36, int inductor)
+{
+ regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_COEFF,
+ CS35L36_BSTCVRT_K1_MASK, 0x3C);
+ regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_COEFF,
+ CS35L36_BSTCVRT_K2_MASK,
+ 0x3C << CS35L36_BSTCVRT_K2_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SW_FREQ,
+ CS35L36_BSTCVRT_CCMFREQ_MASK, 0x00);
+
+ switch (inductor) {
+ case 1000: /* 1 uH */
+ regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SLOPE_LBST,
+ CS35L36_BSTCVRT_SLOPE_MASK,
+ 0x75 << CS35L36_BSTCVRT_SLOPE_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SLOPE_LBST,
+ CS35L36_BSTCVRT_LBSTVAL_MASK, 0x00);
+ break;
+ case 1200: /* 1.2 uH */
+ regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SLOPE_LBST,
+ CS35L36_BSTCVRT_SLOPE_MASK,
+ 0x6B << CS35L36_BSTCVRT_SLOPE_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_SLOPE_LBST,
+ CS35L36_BSTCVRT_LBSTVAL_MASK, 0x01);
+ break;
+ default:
+ dev_err(cs35l36->dev, "%s Invalid Inductor Value %d uH\n",
+ __func__, inductor);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int cs35l36_component_probe(struct snd_soc_component *component)
+{
+ struct cs35l36_private *cs35l36 =
+ snd_soc_component_get_drvdata(component);
+ int ret = 0;
+
+ if ((cs35l36->rev_id == CS35L36_REV_A0) && cs35l36->pdata.dcm_mode) {
+ regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_DCM_CTRL,
+ CS35L36_DCM_AUTO_MASK,
+ CS35L36_DCM_AUTO_MASK);
+
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_UNLOCK1);
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_UNLOCK2);
+
+ regmap_update_bits(cs35l36->regmap, CS35L36_BST_TST_MANUAL,
+ CS35L36_BST_MAN_IPKCOMP_MASK,
+ 0 << CS35L36_BST_MAN_IPKCOMP_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_BST_TST_MANUAL,
+ CS35L36_BST_MAN_IPKCOMP_EN_MASK,
+ CS35L36_BST_MAN_IPKCOMP_EN_MASK);
+
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_LOCK1);
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_LOCK2);
+ }
+
+ if (cs35l36->pdata.amp_pcm_inv)
+ regmap_update_bits(cs35l36->regmap, CS35L36_AMP_DIG_VOL_CTRL,
+ CS35L36_AMP_PCM_INV_MASK,
+ CS35L36_AMP_PCM_INV_MASK);
+
+ if (cs35l36->pdata.multi_amp_mode)
+ regmap_update_bits(cs35l36->regmap, CS35L36_ASP_TX_PIN_CTRL,
+ CS35L36_ASP_TX_HIZ_MASK,
+ CS35L36_ASP_TX_HIZ_MASK);
+
+ if (cs35l36->pdata.imon_pol_inv)
+ regmap_update_bits(cs35l36->regmap, CS35L36_VI_SPKMON_FILT,
+ CS35L36_IMON_POL_MASK, 0);
+
+ if (cs35l36->pdata.vmon_pol_inv)
+ regmap_update_bits(cs35l36->regmap, CS35L36_VI_SPKMON_FILT,
+ CS35L36_VMON_POL_MASK, 0);
+
+ if (cs35l36->pdata.bst_vctl)
+ regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_VCTRL1,
+ CS35L35_BSTCVRT_CTL_MASK,
+ cs35l36->pdata.bst_vctl);
+
+ if (cs35l36->pdata.bst_vctl_sel)
+ regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_VCTRL2,
+ CS35L35_BSTCVRT_CTL_SEL_MASK,
+ cs35l36->pdata.bst_vctl_sel);
+
+ if (cs35l36->pdata.bst_ipk)
+ regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_PEAK_CUR,
+ CS35L36_BST_IPK_MASK,
+ cs35l36->pdata.bst_ipk);
+
+ if (cs35l36->pdata.boost_ind) {
+ ret = cs35l36_boost_inductor(cs35l36, cs35l36->pdata.boost_ind);
+ if (ret < 0) {
+ dev_err(cs35l36->dev,
+ "Boost inductor config failed(%d)\n", ret);
+ return ret;
+ }
+ }
+
+ if (cs35l36->pdata.temp_warn_thld)
+ regmap_update_bits(cs35l36->regmap, CS35L36_DTEMP_WARN_THLD,
+ CS35L36_TEMP_THLD_MASK,
+ cs35l36->pdata.temp_warn_thld);
+
+ if (cs35l36->pdata.irq_drv_sel)
+ regmap_update_bits(cs35l36->regmap, CS35L36_PAD_INTERFACE,
+ CS35L36_INT_DRV_SEL_MASK,
+ cs35l36->pdata.irq_drv_sel <<
+ CS35L36_INT_DRV_SEL_SHIFT);
+
+ if (cs35l36->pdata.irq_gpio_sel)
+ regmap_update_bits(cs35l36->regmap, CS35L36_PAD_INTERFACE,
+ CS35L36_INT_GPIO_SEL_MASK,
+ cs35l36->pdata.irq_gpio_sel <<
+ CS35L36_INT_GPIO_SEL_SHIFT);
+
+ /*
+ * Rev B0 has 2 versions
+ * L36 is 10V
+ * L37 is 12V
+ * If L36 we need to clamp some values for safety
+ * after probe has setup dt values. We want to make
+ * sure we dont miss any values set in probe
+ */
+ if (cs35l36->chip_version == CS35L36_10V_L36) {
+ regmap_update_bits(cs35l36->regmap,
+ CS35L36_BSTCVRT_OVERVOLT_CTRL,
+ CS35L36_BST_OVP_THLD_MASK,
+ CS35L36_BST_OVP_THLD_11V);
+
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_UNLOCK1);
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_UNLOCK2);
+
+ regmap_update_bits(cs35l36->regmap, CS35L36_BST_ANA2_TEST,
+ CS35L36_BST_OVP_TRIM_MASK,
+ CS35L36_BST_OVP_TRIM_11V <<
+ CS35L36_BST_OVP_TRIM_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_VCTRL2,
+ CS35L36_BST_CTRL_LIM_MASK,
+ 1 << CS35L36_BST_CTRL_LIM_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_BSTCVRT_VCTRL1,
+ CS35L35_BSTCVRT_CTL_MASK,
+ CS35L36_BST_CTRL_10V_CLAMP);
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_LOCK1);
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_LOCK2);
+ }
+
+ /*
+ * RevA and B require the disabling of
+ * SYNC_GLOBAL_OVR when GLOBAL_EN = 0.
+ * Just turn it off from default
+ */
+ regmap_update_bits(cs35l36->regmap, CS35L36_CTRL_OVRRIDE,
+ CS35L36_SYNC_GLOBAL_OVR_MASK,
+ 0 << CS35L36_SYNC_GLOBAL_OVR_SHIFT);
+
+ return 0;
+}
+
+static const struct snd_soc_component_driver soc_component_dev_cs35l36 = {
+ .probe = &cs35l36_component_probe,
+ .set_sysclk = cs35l36_component_set_sysclk,
+ .dapm_widgets = cs35l36_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(cs35l36_dapm_widgets),
+ .dapm_routes = cs35l36_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(cs35l36_audio_map),
+ .controls = cs35l36_aud_controls,
+ .num_controls = ARRAY_SIZE(cs35l36_aud_controls),
+ .idle_bias_on = 1,
+ .use_pmdown_time = 1,
+ .endianness = 1,
+ .non_legacy_dai_naming = 1,
+};
+
+static struct regmap_config cs35l36_regmap = {
+ .reg_bits = 32,
+ .val_bits = 32,
+ .reg_stride = 4,
+ .max_register = CS35L36_PAC_PMEM_WORD1023,
+ .reg_defaults = cs35l36_reg,
+ .num_reg_defaults = ARRAY_SIZE(cs35l36_reg),
+ .precious_reg = cs35l36_precious_reg,
+ .volatile_reg = cs35l36_volatile_reg,
+ .readable_reg = cs35l36_readable_reg,
+ .cache_type = REGCACHE_RBTREE,
+};
+
+static irqreturn_t cs35l36_irq(int irq, void *data)
+{
+ struct cs35l36_private *cs35l36 = data;
+ unsigned int status[4];
+ unsigned int masks[4];
+ int ret = IRQ_NONE;
+
+ /* ack the irq by reading all status registers */
+ regmap_bulk_read(cs35l36->regmap, CS35L36_INT1_STATUS, status,
+ ARRAY_SIZE(status));
+
+ regmap_bulk_read(cs35l36->regmap, CS35L36_INT1_MASK, masks,
+ ARRAY_SIZE(masks));
+
+ /* Check to see if unmasked bits are active */
+ if (!(status[0] & ~masks[0]) && !(status[1] & ~masks[1]) &&
+ !(status[2] & ~masks[2]) && !(status[3] & ~masks[3])) {
+ return IRQ_NONE;
+ }
+
+ /*
+ * The following interrupts require a
+ * protection release cycle to get the
+ * speaker out of Safe-Mode.
+ */
+ if (status[2] & CS35L36_AMP_SHORT_ERR) {
+ dev_crit(cs35l36->dev, "Amp short error\n");
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_AMP_SHORT_ERR_RLS, 0);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_AMP_SHORT_ERR_RLS,
+ CS35L36_AMP_SHORT_ERR_RLS);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_AMP_SHORT_ERR_RLS, 0);
+ regmap_update_bits(cs35l36->regmap, CS35L36_INT3_STATUS,
+ CS35L36_AMP_SHORT_ERR,
+ CS35L36_AMP_SHORT_ERR);
+ ret = IRQ_HANDLED;
+ }
+
+ if (status[0] & CS35L36_TEMP_WARN) {
+ dev_crit(cs35l36->dev, "Over temperature warning\n");
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_TEMP_WARN_ERR_RLS, 0);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_TEMP_WARN_ERR_RLS,
+ CS35L36_TEMP_WARN_ERR_RLS);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_TEMP_WARN_ERR_RLS, 0);
+ regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS,
+ CS35L36_TEMP_WARN, CS35L36_TEMP_WARN);
+ ret = IRQ_HANDLED;
+ }
+
+ if (status[0] & CS35L36_TEMP_ERR) {
+ dev_crit(cs35l36->dev, "Over temperature error\n");
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_TEMP_ERR_RLS, 0);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_TEMP_ERR_RLS, CS35L36_TEMP_ERR_RLS);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_TEMP_ERR_RLS, 0);
+ regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS,
+ CS35L36_TEMP_ERR, CS35L36_TEMP_ERR);
+ ret = IRQ_HANDLED;
+ }
+
+ if (status[0] & CS35L36_BST_OVP_ERR) {
+ dev_crit(cs35l36->dev, "VBST Over Voltage error\n");
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_TEMP_ERR_RLS, 0);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_TEMP_ERR_RLS, CS35L36_TEMP_ERR_RLS);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_TEMP_ERR_RLS, 0);
+ regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS,
+ CS35L36_BST_OVP_ERR, CS35L36_BST_OVP_ERR);
+ ret = IRQ_HANDLED;
+ }
+
+ if (status[0] & CS35L36_BST_DCM_UVP_ERR) {
+ dev_crit(cs35l36->dev, "DCM VBST Under Voltage Error\n");
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_BST_UVP_ERR_RLS, 0);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_BST_UVP_ERR_RLS,
+ CS35L36_BST_UVP_ERR_RLS);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_BST_UVP_ERR_RLS, 0);
+ regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS,
+ CS35L36_BST_DCM_UVP_ERR,
+ CS35L36_BST_DCM_UVP_ERR);
+ ret = IRQ_HANDLED;
+ }
+
+ if (status[0] & CS35L36_BST_SHORT_ERR) {
+ dev_crit(cs35l36->dev, "LBST SHORT error!\n");
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_BST_SHORT_ERR_RLS, 0);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_BST_SHORT_ERR_RLS,
+ CS35L36_BST_SHORT_ERR_RLS);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PROTECT_REL_ERR,
+ CS35L36_BST_SHORT_ERR_RLS, 0);
+ regmap_update_bits(cs35l36->regmap, CS35L36_INT1_STATUS,
+ CS35L36_BST_SHORT_ERR,
+ CS35L36_BST_SHORT_ERR);
+ ret = IRQ_HANDLED;
+ }
+
+ return ret;
+}
+
+static int cs35l36_handle_of_data(struct i2c_client *i2c_client,
+ struct cs35l36_platform_data *pdata)
+{
+ struct device_node *np = i2c_client->dev.of_node;
+ struct cs35l36_vpbr_cfg *vpbr_config = &pdata->vpbr_config;
+ struct device_node *vpbr_node;
+ unsigned int val;
+ int ret;
+
+ if (!np)
+ return 0;
+
+ ret = of_property_read_u32(np, "cirrus,boost-ctl-millivolt", &val);
+ if (!ret) {
+ if (val < 2550 || val > 12000) {
+ dev_err(&i2c_client->dev,
+ "Invalid Boost Voltage %d mV\n", val);
+ return -EINVAL;
+ }
+ pdata->bst_vctl = (((val - 2550) / 100) + 1) << 1;
+ } else {
+ dev_err(&i2c_client->dev,
+ "Unable to find required parameter 'cirrus,boost-ctl-millivolt'");
+ return -EINVAL;
+ }
+
+ ret = of_property_read_u32(np, "cirrus,boost-ctl-select", &val);
+ if (!ret)
+ pdata->bst_vctl_sel = val | CS35L36_VALID_PDATA;
+
+ ret = of_property_read_u32(np, "cirrus,boost-peak-milliamp", &val);
+ if (!ret) {
+ if (val < 1600 || val > 4500) {
+ dev_err(&i2c_client->dev,
+ "Invalid Boost Peak Current %u mA\n", val);
+ return -EINVAL;
+ }
+
+ pdata->bst_ipk = (val - 1600) / 50;
+ } else {
+ dev_err(&i2c_client->dev,
+ "Unable to find required parameter 'cirrus,boost-peak-milliamp'");
+ return -EINVAL;
+ }
+
+ pdata->multi_amp_mode = of_property_read_bool(np,
+ "cirrus,multi-amp-mode");
+
+ pdata->dcm_mode = of_property_read_bool(np,
+ "cirrus,dcm-mode-enable");
+
+ pdata->amp_pcm_inv = of_property_read_bool(np,
+ "cirrus,amp-pcm-inv");
+
+ pdata->imon_pol_inv = of_property_read_bool(np,
+ "cirrus,imon-pol-inv");
+
+ pdata->vmon_pol_inv = of_property_read_bool(np,
+ "cirrus,vmon-pol-inv");
+
+ if (of_property_read_u32(np, "cirrus,temp-warn-threshold", &val) >= 0)
+ pdata->temp_warn_thld = val | CS35L36_VALID_PDATA;
+
+ if (of_property_read_u32(np, "cirrus,boost-ind-nanohenry", &val) >= 0) {
+ pdata->boost_ind = val;
+ } else {
+ dev_err(&i2c_client->dev, "Inductor not specified.\n");
+ return -EINVAL;
+ }
+
+ if (of_property_read_u32(np, "cirrus,irq-drive-select", &val) >= 0)
+ pdata->irq_drv_sel = val | CS35L36_VALID_PDATA;
+
+ if (of_property_read_u32(np, "cirrus,irq-gpio-select", &val) >= 0)
+ pdata->irq_gpio_sel = val | CS35L36_VALID_PDATA;
+
+ /* VPBR Config */
+ vpbr_node = of_get_child_by_name(np, "cirrus,vpbr-config");
+ vpbr_config->is_present = vpbr_node ? true : false;
+ if (vpbr_config->is_present) {
+ if (of_property_read_u32(vpbr_node, "cirrus,vpbr-en",
+ &val) >= 0)
+ vpbr_config->vpbr_en = val;
+ if (of_property_read_u32(vpbr_node, "cirrus,vpbr-thld",
+ &val) >= 0)
+ vpbr_config->vpbr_thld = val;
+ if (of_property_read_u32(vpbr_node, "cirrus,vpbr-atk-rate",
+ &val) >= 0)
+ vpbr_config->vpbr_atk_rate = val;
+ if (of_property_read_u32(vpbr_node, "cirrus,vpbr-atk-vol",
+ &val) >= 0)
+ vpbr_config->vpbr_atk_vol = val;
+ if (of_property_read_u32(vpbr_node, "cirrus,vpbr-max-attn",
+ &val) >= 0)
+ vpbr_config->vpbr_max_attn = val;
+ if (of_property_read_u32(vpbr_node, "cirrus,vpbr-wait",
+ &val) >= 0)
+ vpbr_config->vpbr_wait = val;
+ if (of_property_read_u32(vpbr_node, "cirrus,vpbr-rel-rate",
+ &val) >= 0)
+ vpbr_config->vpbr_rel_rate = val;
+ if (of_property_read_u32(vpbr_node, "cirrus,vpbr-mute-en",
+ &val) >= 0)
+ vpbr_config->vpbr_mute_en = val;
+ }
+ of_node_put(vpbr_node);
+
+ return 0;
+}
+
+static int cs35l36_pac(struct cs35l36_private *cs35l36)
+{
+ int ret, count;
+ unsigned int val;
+
+ if (cs35l36->rev_id != CS35L36_REV_B0)
+ return 0;
+
+ /*
+ * Magic code for internal PAC
+ */
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_UNLOCK1);
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_UNLOCK2);
+
+ usleep_range(9500, 10500);
+
+ regmap_write(cs35l36->regmap, CS35L36_PAC_CTL1,
+ CS35L36_PAC_RESET);
+ regmap_write(cs35l36->regmap, CS35L36_PAC_CTL3,
+ CS35L36_PAC_MEM_ACCESS);
+ regmap_write(cs35l36->regmap, CS35L36_PAC_PMEM_WORD0,
+ CS35L36_B0_PAC_PATCH);
+
+ regmap_write(cs35l36->regmap, CS35L36_PAC_CTL3,
+ CS35L36_PAC_MEM_ACCESS_CLR);
+ regmap_write(cs35l36->regmap, CS35L36_PAC_CTL1,
+ CS35L36_PAC_ENABLE_MASK);
+
+ usleep_range(9500, 10500);
+
+ ret = regmap_read(cs35l36->regmap, CS35L36_INT4_STATUS, &val);
+ if (ret < 0) {
+ dev_err(cs35l36->dev, "Failed to read int4_status %d\n", ret);
+ return ret;
+ }
+
+ count = 0;
+ while (!(val & CS35L36_MCU_CONFIG_CLR)) {
+ usleep_range(100, 200);
+ count++;
+
+ ret = regmap_read(cs35l36->regmap, CS35L36_INT4_STATUS,
+ &val);
+ if (ret < 0) {
+ dev_err(cs35l36->dev, "Failed to read int4_status %d\n",
+ ret);
+ return ret;
+ }
+
+ if (count >= 100)
+ return -EINVAL;
+ }
+
+ regmap_write(cs35l36->regmap, CS35L36_INT4_STATUS,
+ CS35L36_MCU_CONFIG_CLR);
+ regmap_update_bits(cs35l36->regmap, CS35L36_PAC_CTL1,
+ CS35L36_PAC_ENABLE_MASK, 0);
+
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_LOCK1);
+ regmap_write(cs35l36->regmap, CS35L36_TESTKEY_CTRL,
+ CS35L36_TEST_LOCK2);
+
+ return 0;
+}
+
+static void cs35l36_apply_vpbr_config(struct cs35l36_private *cs35l36)
+{
+ struct cs35l36_platform_data *pdata = &cs35l36->pdata;
+ struct cs35l36_vpbr_cfg *vpbr_config = &pdata->vpbr_config;
+
+ regmap_update_bits(cs35l36->regmap, CS35L36_PWR_CTRL3,
+ CS35L36_VPBR_EN_MASK,
+ vpbr_config->vpbr_en <<
+ CS35L36_VPBR_EN_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
+ CS35L36_VPBR_THLD_MASK,
+ vpbr_config->vpbr_thld <<
+ CS35L36_VPBR_THLD_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
+ CS35L36_VPBR_MAX_ATTN_MASK,
+ vpbr_config->vpbr_max_attn <<
+ CS35L36_VPBR_MAX_ATTN_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
+ CS35L36_VPBR_ATK_VOL_MASK,
+ vpbr_config->vpbr_atk_vol <<
+ CS35L36_VPBR_ATK_VOL_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
+ CS35L36_VPBR_ATK_RATE_MASK,
+ vpbr_config->vpbr_atk_rate <<
+ CS35L36_VPBR_ATK_RATE_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
+ CS35L36_VPBR_WAIT_MASK,
+ vpbr_config->vpbr_wait <<
+ CS35L36_VPBR_WAIT_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
+ CS35L36_VPBR_REL_RATE_MASK,
+ vpbr_config->vpbr_rel_rate <<
+ CS35L36_VPBR_REL_RATE_SHIFT);
+ regmap_update_bits(cs35l36->regmap, CS35L36_VPBR_CFG,
+ CS35L36_VPBR_MUTE_EN_MASK,
+ vpbr_config->vpbr_mute_en <<
+ CS35L36_VPBR_MUTE_EN_SHIFT);
+}
+
+static const struct reg_sequence cs35l36_reva0_errata_patch[] = {
+ { CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK1 },
+ { CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK2 },
+ /* Errata Writes */
+ { CS35L36_OTP_CTRL1, 0x00002060 },
+ { CS35L36_OTP_CTRL2, 0x00000001 },
+ { CS35L36_OTP_CTRL1, 0x00002460 },
+ { CS35L36_OTP_CTRL2, 0x00000001 },
+ { 0x00002088, 0x012A1838 },
+ { 0x00003014, 0x0100EE0E },
+ { 0x00003008, 0x0008184A },
+ { 0x00007418, 0x509001C8 },
+ { 0x00007064, 0x0929A800 },
+ { 0x00002D10, 0x0002C01C },
+ { 0x0000410C, 0x00000A11 },
+ { 0x00006E08, 0x8B19140C },
+ { 0x00006454, 0x0300000A },
+ { CS35L36_AMP_NG_CTRL, 0x000020EF },
+ { 0x00007E34, 0x0000000E },
+ { 0x0000410C, 0x00000A11 },
+ { 0x00007410, 0x20514B00 },
+ /* PAC Config */
+ { CS35L36_CTRL_OVRRIDE, 0x00000000 },
+ { CS35L36_PAC_INT0_CTRL, 0x00860001 },
+ { CS35L36_PAC_INT1_CTRL, 0x00860001 },
+ { CS35L36_PAC_INT2_CTRL, 0x00860001 },
+ { CS35L36_PAC_INT3_CTRL, 0x00860001 },
+ { CS35L36_PAC_INT4_CTRL, 0x00860001 },
+ { CS35L36_PAC_INT5_CTRL, 0x00860001 },
+ { CS35L36_PAC_INT6_CTRL, 0x00860001 },
+ { CS35L36_PAC_INT7_CTRL, 0x00860001 },
+ { CS35L36_PAC_INT_FLUSH_CTRL, 0x000000FF },
+ { CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK1 },
+ { CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK2 },
+};
+
+static const struct reg_sequence cs35l36_revb0_errata_patch[] = {
+ { CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK1 },
+ { CS35L36_TESTKEY_CTRL, CS35L36_TEST_UNLOCK2 },
+ { 0x00007064, 0x0929A800 },
+ { 0x00007850, 0x00002FA9 },
+ { 0x00007854, 0x0003F1D5 },
+ { 0x00007858, 0x0003F5E3 },
+ { 0x0000785C, 0x00001137 },
+ { 0x00007860, 0x0001A7A5 },
+ { 0x00007864, 0x0002F16A },
+ { 0x00007868, 0x00003E21 },
+ { 0x00007848, 0x00000001 },
+ { 0x00003854, 0x05180240 },
+ { 0x00007418, 0x509001C8 },
+ { 0x0000394C, 0x028764BD },
+ { CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK1 },
+ { CS35L36_TESTKEY_CTRL, CS35L36_TEST_LOCK2 },
+};
+
+static int cs35l36_i2c_probe(struct i2c_client *i2c_client,
+ const struct i2c_device_id *id)
+{
+ struct cs35l36_private *cs35l36;
+ struct device *dev = &i2c_client->dev;
+ struct cs35l36_platform_data *pdata = dev_get_platdata(dev);
+ struct irq_data *irq_d;
+ int ret, irq_pol, chip_irq_pol, i;
+ u32 reg_id, reg_revid, l37_id_reg;
+
+ cs35l36 = devm_kzalloc(dev, sizeof(struct cs35l36_private), GFP_KERNEL);
+ if (!cs35l36)
+ return -ENOMEM;
+
+ cs35l36->dev = dev;
+
+ i2c_set_clientdata(i2c_client, cs35l36);
+ cs35l36->regmap = devm_regmap_init_i2c(i2c_client, &cs35l36_regmap);
+ if (IS_ERR(cs35l36->regmap)) {
+ ret = PTR_ERR(cs35l36->regmap);
+ dev_err(dev, "regmap_init() failed: %d\n", ret);
+ goto err;
+ }
+
+ cs35l36->num_supplies = ARRAY_SIZE(cs35l36_supplies);
+ for (i = 0; i < ARRAY_SIZE(cs35l36_supplies); i++)
+ cs35l36->supplies[i].supply = cs35l36_supplies[i];
+
+ ret = devm_regulator_bulk_get(dev, cs35l36->num_supplies,
+ cs35l36->supplies);
+ if (ret != 0) {
+ dev_err(dev, "Failed to request core supplies: %d\n", ret);
+ return ret;
+ }
+
+ if (pdata) {
+ cs35l36->pdata = *pdata;
+ } else {
+ pdata = devm_kzalloc(dev, sizeof(struct cs35l36_platform_data),
+ GFP_KERNEL);
+ if (!pdata)
+ return -ENOMEM;
+
+ if (i2c_client->dev.of_node) {
+ ret = cs35l36_handle_of_data(i2c_client, pdata);
+ if (ret != 0)
+ return ret;
+
+ }
+
+ cs35l36->pdata = *pdata;
+ }
+
+ ret = regulator_bulk_enable(cs35l36->num_supplies, cs35l36->supplies);
+ if (ret != 0) {
+ dev_err(dev, "Failed to enable core supplies: %d\n", ret);
+ return ret;
+ }
+
+ /* returning NULL can be an option if in stereo mode */
+ cs35l36->reset_gpio = devm_gpiod_get_optional(dev, "reset",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(cs35l36->reset_gpio)) {
+ ret = PTR_ERR(cs35l36->reset_gpio);
+ cs35l36->reset_gpio = NULL;
+ if (ret == -EBUSY) {
+ dev_info(dev, "Reset line busy, assuming shared reset\n");
+ } else {
+ dev_err(dev, "Failed to get reset GPIO: %d\n", ret);
+ goto err_disable_regs;
+ }
+ }
+
+ if (cs35l36->reset_gpio)
+ gpiod_set_value_cansleep(cs35l36->reset_gpio, 1);
+
+ usleep_range(2000, 2100);
+
+ /* initialize amplifier */
+ ret = regmap_read(cs35l36->regmap, CS35L36_SW_RESET, &reg_id);
+ if (ret < 0) {
+ dev_err(dev, "Get Device ID failed %d\n", ret);
+ goto err;
+ }
+
+ if (reg_id != CS35L36_CHIP_ID) {
+ dev_err(dev, "Device ID (%X). Expected ID %X\n", reg_id,
+ CS35L36_CHIP_ID);
+ ret = -ENODEV;
+ goto err;
+ }
+
+ ret = regmap_read(cs35l36->regmap, CS35L36_REV_ID, &reg_revid);
+ if (ret < 0) {
+ dev_err(&i2c_client->dev, "Get Revision ID failed %d\n", ret);
+ goto err;
+ }
+
+ cs35l36->rev_id = reg_revid >> 8;
+
+ ret = regmap_read(cs35l36->regmap, CS35L36_OTP_MEM30, &l37_id_reg);
+ if (ret < 0) {
+ dev_err(&i2c_client->dev, "Failed to read otp_id Register %d\n",
+ ret);
+ return ret;
+ }
+
+ if ((l37_id_reg & CS35L36_OTP_REV_MASK) == CS35L36_OTP_REV_L37)
+ cs35l36->chip_version = CS35L36_12V_L37;
+ else
+ cs35l36->chip_version = CS35L36_10V_L36;
+
+ switch (cs35l36->rev_id) {
+ case CS35L36_REV_A0:
+ ret = regmap_register_patch(cs35l36->regmap,
+ cs35l36_reva0_errata_patch,
+ ARRAY_SIZE(cs35l36_reva0_errata_patch));
+ if (ret < 0) {
+ dev_err(dev, "Failed to apply A0 errata patch %d\n",
+ ret);
+ goto err;
+ }
+ break;
+ case CS35L36_REV_B0:
+ ret = cs35l36_pac(cs35l36);
+ if (ret < 0) {
+ dev_err(dev, "Failed to Trim OTP %d\n", ret);
+ goto err;
+ }
+
+ ret = regmap_register_patch(cs35l36->regmap,
+ cs35l36_revb0_errata_patch,
+ ARRAY_SIZE(cs35l36_revb0_errata_patch));
+ if (ret < 0) {
+ dev_err(dev, "Failed to apply B0 errata patch %d\n",
+ ret);
+ goto err;
+ }
+ break;
+ }
+
+ if (pdata->vpbr_config.is_present)
+ cs35l36_apply_vpbr_config(cs35l36);
+
+ irq_d = irq_get_irq_data(i2c_client->irq);
+ if (!irq_d) {
+ dev_err(&i2c_client->dev, "Invalid IRQ: %d\n", i2c_client->irq);
+ ret = -ENODEV;
+ goto err;
+ }
+
+ irq_pol = irqd_get_trigger_type(irq_d);
+
+ switch (irq_pol) {
+ case IRQF_TRIGGER_FALLING:
+ case IRQF_TRIGGER_LOW:
+ chip_irq_pol = 0;
+ break;
+ case IRQF_TRIGGER_RISING:
+ case IRQF_TRIGGER_HIGH:
+ chip_irq_pol = 1;
+ break;
+ default:
+ dev_err(cs35l36->dev, "Invalid IRQ polarity: %d\n", irq_pol);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ regmap_update_bits(cs35l36->regmap, CS35L36_PAD_INTERFACE,
+ CS35L36_INT_POL_SEL_MASK,
+ chip_irq_pol << CS35L36_INT_POL_SEL_SHIFT);
+
+ ret = devm_request_threaded_irq(dev, i2c_client->irq, NULL, cs35l36_irq,
+ IRQF_ONESHOT | irq_pol, "cs35l36",
+ cs35l36);
+ if (ret != 0) {
+ dev_err(dev, "Failed to request IRQ: %d\n", ret);
+ goto err;
+ }
+
+ regmap_update_bits(cs35l36->regmap, CS35L36_PAD_INTERFACE,
+ CS35L36_INT_OUTPUT_EN_MASK, 1);
+
+ /* Set interrupt masks for critical errors */
+ regmap_write(cs35l36->regmap, CS35L36_INT1_MASK,
+ CS35L36_INT1_MASK_DEFAULT);
+ regmap_write(cs35l36->regmap, CS35L36_INT3_MASK,
+ CS35L36_INT3_MASK_DEFAULT);
+
+ dev_info(&i2c_client->dev, "Cirrus Logic CS35L%d, Revision: %02X\n",
+ cs35l36->chip_version, reg_revid >> 8);
+
+ ret = devm_snd_soc_register_component(dev, &soc_component_dev_cs35l36,
+ cs35l36_dai,
+ ARRAY_SIZE(cs35l36_dai));
+ if (ret < 0) {
+ dev_err(dev, "%s: Register component failed %d\n", __func__,
+ ret);
+ goto err;
+ }
+
+ return 0;
+
+err:
+ gpiod_set_value_cansleep(cs35l36->reset_gpio, 0);
+
+err_disable_regs:
+ regulator_bulk_disable(cs35l36->num_supplies, cs35l36->supplies);
+ return ret;
+}
+
+static int cs35l36_i2c_remove(struct i2c_client *client)
+{
+ struct cs35l36_private *cs35l36 = i2c_get_clientdata(client);
+
+ /* Reset interrupt masks for device removal */
+ regmap_write(cs35l36->regmap, CS35L36_INT1_MASK,
+ CS35L36_INT1_MASK_RESET);
+ regmap_write(cs35l36->regmap, CS35L36_INT3_MASK,
+ CS35L36_INT3_MASK_RESET);
+
+ if (cs35l36->reset_gpio)
+ gpiod_set_value_cansleep(cs35l36->reset_gpio, 0);
+
+ regulator_bulk_disable(cs35l36->num_supplies, cs35l36->supplies);
+
+ return 0;
+}
+static const struct of_device_id cs35l36_of_match[] = {
+ {.compatible = "cirrus,cs35l36"},
+ {},
+};
+MODULE_DEVICE_TABLE(of, cs35l36_of_match);
+
+static const struct i2c_device_id cs35l36_id[] = {
+ {"cs35l36", 0},
+ {}
+};
+
+MODULE_DEVICE_TABLE(i2c, cs35l36_id);
+
+static struct i2c_driver cs35l36_i2c_driver = {
+ .driver = {
+ .name = "cs35l36",
+ .of_match_table = cs35l36_of_match,
+ },
+ .id_table = cs35l36_id,
+ .probe = cs35l36_i2c_probe,
+ .remove = cs35l36_i2c_remove,
+};
+module_i2c_driver(cs35l36_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC CS35L36 driver");
+MODULE_AUTHOR("James Schulman, Cirrus Logic Inc, <james.schulman@cirrus.com>");
+MODULE_LICENSE("GPL");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.